String comparisons « String « Ruby

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Ruby » String » String comparisons 
1.Comparing Strings
2.perform "greater than" and "less than" comparisons:
3.compare strings with the <=> method
4.A case-insensitive comparison is possible with casecmp, which has the same possible results as <=> (-1, 0, 1)
5.Comparing With Regular Expressions
6.string contains lowercase characters
7.string contains uppercase characters
8.string contains mixed case
9.string starts with a capital letter
10.Text Manipulation
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